Is an ortholog of human CSRNP2 (cysteine and serine rich nuclear protein 2). Is expressed in amphid neurons\; the body wall musculature\; the pharyngeal muscle cell\; and the uterine muscle. Human CSRNP2 exhibits phosphatase binding activity. Is predicted to encode a protein with the following domains: Cysteine\/serine-rich nuclear protein family and Cysteine\/serine-rich nuclear protein, N-terminal domain.